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The Evolving Context of Ammonia-Coal Co-Firing
Article

The Evolving Context of Ammonia-Coal Co-Firing

Stephen H. Crolius July 18, 2019

Co-firing ammonia in a coal-fueled boiler, a concept under active development in Japan, received positive notice in the International Energy Agency’s recently published report, The Future of Hydrogen. So far serious scrutiny of the co-firing concept is limited to Japan.  In the fullness of time, the demand side of the concept may take root in other countries.  The supply side, however, could have near-term global relevance. 

New Video Summarizes SIP Energy Carriers Accomplishments
Article

New Video Summarizes SIP Energy Carriers Accomplishments

Stephen H. Crolius April 18, 2019

ANNOUNCEMENT: The Japanese Government’s Cabinet Office and the Japan Science and Technology Agency have released an English-language video that summarizes the accomplishments of the Cross-Ministerial Strategic Innovation Promotion Program’s Energy Carriers initiative.  The release coincides with the end-of-March conclusion of Energy Carriers’ work, and anticipates this month’s formal activation of the Green Ammonia Consortium.

Test Results of the Ammonia Mixed Combustion at Mizushima Power Station Unit No.2 and Related Patent Applications
Presentation

Test Results of the Ammonia Mixed Combustion at Mizushima Power Station Unit No.2 and Related Patent Applications

Hiroaki Tanigawa

At the Mizushima Power Station Unit No.2 (Coal-fired, Location: Kurashiki, Okayama Prefecture, rated output: 156,000 kW), the Chugoku Electric Power Company conducted the ammonia mixed-combustion test from July 3 to 9, 2017, in order to reduce the environmental burden of coal-fired power stations. We compile the test results and report it to Japan Science and Technology Agency (JST), and we are pleased to inform you today that we applied for patents on the findings obtained in this examination. This test is part of the “ammonia direct burning” as a commissioned research topic on “energy carriers” out of the “Strategic Innovation…

Basic Co-Firing Characteristics of Ammonia with Pulverized Coal in a Single Burner Test Furnace
Presentation

Basic Co-Firing Characteristics of Ammonia with Pulverized Coal in a Single Burner Test Furnace

Akira YamamotoMasayoshi KimotoYasushi OzawaSaburo Hara

Ammonia is expected as a potential fuel to substitute fossil fuels, because it does not discharge carbon dioxide and is easily handled by liquefaction. There are several ways for the direct use of ammonia as a fuel; for example, use in fuel cells and combustion devices. One of the possible application is the combustion use in thermal power plants. In particular, co-firing of ammonia in coal-fired power plants seems to have a relatively great advantage on the suppression of greenhouse gases, because coal is one of the main emission source of carbon dioxide. On the other hand, it is concerned…

Cost Evaluation Study on CO2-Free Ammonia and Coal Co-Fired Power Generation Integrated with Cost of CCS
Presentation

Cost Evaluation Study on CO2-Free Ammonia and Coal Co-Fired Power Generation Integrated with Cost of CCS

Kazutaka HiraokaYasushi FujimuraYoshiyuki WatanabeMototaka KaiKo SakataYuki IshimotoYuji Mizuno

This study presents a cost estimation for electricity generated by CO2-free ammonia and coal co-firing. Regulation of CO2 emissions seems to be gaining pace due to the global warming issue so the introduction of CO2-free energy in power generation has become desirable. Ammonia is one of the potential energy carriers for power generation and development of ammonia combustion technology with low NOx emissions has been conducted in Japan. In order to investigate the feasibility of the introduction of CO2-free ammonia in Japan from both the technical and economic viewpoints, we estimated the ammonia supply chain cost from ammonia production integrated…

Ammonia for Power: a literature review
Article

Ammonia for Power: a literature review

Trevor Brown October 04, 2018

"Ammonia for Power" is an open-access literature review that includes over 300 citations for recent and ongoing research in the use of ammonia in engines, fuel cells, and turbines, as well as providing references to decades of historical case studies and publications. The review, written by a consortium of ammonia energy experts from the University of Cardiff, University of Oxford, the UK's Science and Technology Facilities Council, and Tsinghua University in China, can be found in the November 2018 edition of Progress in Energy and Combustion Science.

IHI First to Reach 20% Ammonia-Coal Co-Firing Milestone
Article

IHI First to Reach 20% Ammonia-Coal Co-Firing Milestone

Stephen H. Crolius April 12, 2018

The Japanese manufacturer IHI Corporation announced on March 28 that it had successfully demonstrated the co-firing of ammonia and coal in a fuel mix composed of 20% ammonia. Ammonia-coal co-firing had previously been demonstrated by Chugoku Electric in a fuel mix composed of just 0.6-0.8% ammonia. IHI says its ultimate goal is to “construct a value chain that connects the production and use of ammonia, using combustion technology of gas turbines and coal-fired boilers, using ammonia as fuel.”

IHI Commits to Ammonia Energy. Big Time.
Article

IHI Commits to Ammonia Energy. Big Time.

Stephen H. Crolius February 08, 2018

During his presentation at the November 2017 NH3 Energy + Topical Conference, Shogo Onishi of IHI Corporation described the progress made by IHI and Tohoku University in limiting NOx emissions from ammonia-fired gas turbines (AGTs).  Regular attendees of the annual NH3 Fuel Conference identify IHI with its work on AGTs since the company also addressed this topic at the 2016 and 2015 events.  However, a scan of published materials shows that AGTs are just one aspect of IHI’s activity in the ammonia energy arena.  In fact, IHI is also looking at the near-term commercialization of technologies in ammonia-coal co-firing in steam boilers and direct ammonia fuel cells.  This level and breadth of commitment to ammonia energy is unique among global capital goods producers.